Add servlet.jar into viewer plugin. Fix Bugzilla Bug 141963
Add servlet.jar into viewer plugin. Fix Bugzilla Bug 141963

rrimmana/birt-1,sguan-actuate/birt,rrimmana/birt-1,Charling-Huang/birt,sguan-actuate/birt,rrimmana/birt-1,Charling-Huang/birt,sguan-actuate/birt,Charling-Huang/birt,sguan-actuate/birt,rrimmana/birt-1,Charling-Huang/birt,sguan-actuate/birt,Charling-Huang/birt,rrimmana/birt-1